{"product_id":"t-yb1200-4125-ytterbium-doped-single-mode-fiber-44-m-mfd-unit-pricing-per-meter","title":"T-YB1200-4\/125 - Ytterbium Doped Single Mode Fiber, 4.4 µm MFD, Unit Pricing Per Meter","description":"\u003cp\u003eT-YB1200-4-125 - Ytterbium Doped Single Mode Fiber, 4.4 µm MFD, Unit Pricing Per Meter\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYtterbium-Doped Silica Fiber for ~1000 nm to 1100 nm Fiber Lasers and Amplifiers\u003c\/li\u003e\n\u003cli\u003eSingle Mode and Large-Mode-Area Fibers Available\u003c\/li\u003e\n\u003cli\u003eCore- and Cladding-Pumped Designs for 1 mW to \u0026gt;100 W Output Power\u003c\/li\u003e\n\u003cli\u003eMatched Passive Fiber Also Sold Below\u003c\/li\u003e\n\u003cli\u003eIndustry-Standard Active Fiber Geometries with Ø125, Ø250, or Ø400 µm Cladding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003eCore-Pumped Design\u003c\/li\u003e\n\u003cli\u003eTelecom-Type Fiber Geometry for Easy Handling, Splicing, and Connectorization\u003c\/li\u003e\n\u003cli\u003eGood Spliceability to HI1060-Type Passive SM Fibers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003eLow Noise, Low Power Preamplifiers\u003c\/li\u003e\n\u003cli\u003eASE Sources\u003c\/li\u003e\n\u003cli\u003eCW and Pulsed Lasers and Amplifiers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLiekki T-YB1200-4\/125 is a highly doped ytterbium fiber for low noise, low nonlinearity preamplifiers and lasers. It is a single-clad fiber for core-pumped applications. This fiber is ideal for use as a preamplifier in a fiber amplifier chain with double cladding fiber acting as a power amplifier.\u003c\/p\u003e\n\u003cp\u003eThis fiber's telecom-like geometry makes it compatible with low-cost pump diodes, standard single mode passive fibers, and standard telecom connectors and splicing techniques.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eCladding \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eGeometry Round\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eAbsorption @ 920 nm 280 ± 50 dB\/m\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eMode Field Diameter 4.4 ± 0.8 µm @ 1060 nm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eCladding Diameter 125 ± 2 µm\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eCoating Diameter 245 ± 15 µm\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eCore NA 0.2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eCut-Off Wavelength 1010 ± 70 nm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eCore Index We regret that we cannot provide this proprietary information\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eCladding Index We regret that we cannot provide this proprietary information\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"40%\" class=\"SpecTable\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth valign=\"top\" align=\"left\"\u003eItem #\u003c\/th\u003e\n\u003cth valign=\"top\" align=\"center\"\u003eT-YB1200-4\/125\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCladding Geometry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003ePeak Core Absorption @ 976 nm (Nominal)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e1200 dB\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCore Absorption @ 920 nm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e280 ± 50 dB\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eMFD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e4.4 ± 0.8 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCladding Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e125 ± 2 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCoating Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e245 ± 15 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCore Numerical Aperture (NA) (Nominal)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCladding NA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCut-Off Wavelength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e1010 ± 70 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCoating Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003eDual-Coated High-Index Acrylate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCore Concentricity Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e≤0.7 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eProof Test\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003e≥100 kpsi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCore Index\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003eProprietary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\u003cstrong\u003eCladding Index\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"center\"\u003eProprietary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"SpecTable\" cellspacing=\"0\" width=\"520\"\u003e\n\u003cthead\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003cth align=\"left\" valign=\"bottom\"\u003eItem #\u003c\/th\u003e\n\u003cth align=\"center\"\u003eType\u003c\/th\u003e\n\u003cth align=\"center\"\u003eAbsorption\u003cbr\u003e@ 920 nm\u003c\/th\u003e\n\u003cth align=\"center\"\u003ePump\u003cbr\u003eType\u003c\/th\u003e\n\u003cth align=\"center\"\u003eCore\u003cbr\u003eDiameter\u003c\/th\u003e\n\u003cth align=\"center\"\u003eCladding\u003cbr\u003eDiameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT-YB1200-4\/125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\" valign=\"top\" rowspan=\"2\"\u003eSM\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e280 ± 50 dB\/m\u003c\/td\u003e\n\u003ctd align=\"center\" valign=\"top\"\u003eCore\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e4.4 ± 0.8 μm MFD\u003c\/td\u003e\n\u003ctd align=\"center\" rowspan=\"3\"\u003e125 ± 2 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT-YB1200-6\/125DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e0.55 ± 0.1 dB\/m\u003c\/td\u003e\n\u003ctd rowspan=\"5\" align=\"center\" valign=\"top\"\u003eCladding\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e7.0 ± 0.5 μm MFD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT-YB1200-10\/125DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\" valign=\"top\" rowspan=\"4\"\u003eLMA\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e1.7 ± 0.3 dB\/m\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e10.0 ± 1.0 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT-YB1200-20\/400DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e0.55 ± 0.05 dB\/m\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e20.0 ± 1.5 μm\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e400 ± 10 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT-YB1200-25\/250DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e2.3 ± 0.3 dB\/m\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e25.0 ± 1.5 μm\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e250 ± 5 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"left\" valign=\"top\"\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT-YB2000-10\/125DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e2.0 ± 0.4 dB\/m\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e10 ± 1.0 μm\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e125 ± 2 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083565637888,"sku":"T-YB1200-4-125","price":229.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/12456-lrg.jpg?v=1785201541","url":"https:\/\/alotechparts.com\/products\/t-yb1200-4125-ytterbium-doped-single-mode-fiber-44-m-mfd-unit-pricing-per-meter","provider":"Alo Tech Solutions","version":"1.0","type":"link"}